101 results
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Sinus Syndrome • SA ... rhythm SVT with conduction ... Differential #Diagnosis #Algorithm ... #causes
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Arrhythmias • SA ... escape rhythm, Conduction ... His-purkinje system: Conduction ... > 100 bpm) • SA ... Differential #Diagnosis #Causes
Causes of Aphasia - Differential Diagnosis Algorithm
Fluent - Grammatically correct, but nonsensical, tangential. Phonemic & semantic
Causes of Aphasia ... Differential Diagnosis Algorithm ... Comprehension - Conduction ... Differential #Diagnosis #Algorithm ... #Causes
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
Differential Diagnosis Algorithm ... - Electrical Conduction ... ) Non-Cardiac Causes ... Differential #Diagnosis #Algorithm ... #causes
Conductive Hearing Loss - Differential Diagnosis Algorithm

Normal Otoscopy - Middle Ear:
 • Otosclerosis
 • Congenital (Ossicular
Conductive Hearing ... Differential Diagnosis Algorithm ... Dysfunction #Conductive ... Differential #Diagnosis #Algorithm ... #Causes
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... Sinus Syndrome (SA ... Differential #Diagnosis #Algorithm ... #causes
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... with variable conduction ... Differential #Diagnosis #Algorithm ... #Causes #cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
reduce speed of ion conduction ... current) causing ↓SA ... to ↑ ERP (slow conduction ... Classification #Classes
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
Differential Diagnosis Algorithm ... • Metabolic Causes ... Idiopathic Bilateral - Conductive ... Differential #Diagnosis #Algorithm ... #Causes
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Summary Cardiac Conduction ... reduce speed of ion conduction ... current) causing ↓SA ... to ↑ ERP (slow conduction ... Classification #Classes